hex2dec.com

Text to Hex Converter

Convert ascii text to hexadecimal instantly. Free online tool with batch support, step-by-step explanation, and no signup required.

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ASCII Text to Hexadecimal Conversion Examples

ASCII Text InputHexadecimal Result
Hello48 65 6C 6C 6F
text74 65 78 74
OpenAI4F 70 65 6E 41 49
12331 32 33
Hi!48 69 21

How to Convert ASCII Text to Hexadecimal

  1. 1Enter the plain text or string you want to encode.
  2. 2Convert each character to its character code.
  3. 3Write each character code as a two-digit hexadecimal value when possible.
  4. 4Keep the hex bytes in the same order as the original text.
  5. 5Example: 'Hi!' → H(0x48), i(0x69), !(0x21) → 48 69 21.

Frequently Asked Questions

What is text to hex conversion?

Text to hex conversion changes each character in a string into its hexadecimal character code, making the text easier to inspect, encode, or use in programming contexts.

What is 'Hello' in hex?

The text 'Hello' converts to 48 65 6C 6C 6F using ASCII-compatible character codes.

Is text to hex the same as ASCII to hex?

They overlap for ordinary ASCII text. The text to hex page is written for plain strings and everyday text, while ASCII to hex is more technical and focused on character encoding.

Why are spaces shown as 20 in hex?

A space character has decimal code 32, which is 20 in hexadecimal.

Are uppercase and lowercase letters different in hex?

Yes. For example, uppercase A is 41 in hex, while lowercase a is 61.

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